Cheap Flights from Atlanta (ATL) to Seattle (SEA)

Frequently Asked Questions

• What are the cheapest flights from Atlanta to Seattle (ATL-SEA)?

  Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$98 on Cheapest nonstop routes (e.g. ATL to SEA on Mon, Jun 8), while Frontier Airlines offers Cheapest nonstop round-trips from US$231 departing on Fri, May 29 and returning on Mon, Jun 1.

• Which airlines offer direct flights from Atlanta to Seattle?

  At the moment, you can catch a nonstop flight from Atlanta to Seattle with the following airlines, including: Alaska Airlines Delta Air Lines Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Atlanta to Seattle?

  It takes about 5 hours 30 minutes to fly from Atlanta to Seattle.

• When is the best time to book flights from Atlanta to Seattle?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Atlanta to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Atlanta to Seattle?

  Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Atlanta to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL629 (12:20)

• How can I find the best deals on flights from Atlanta to Seattle?

  To find best deals on flights from Atlanta to Seattle, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jun 8, with one-way flights priced at just US$98.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Atlanta (ATL) to Seattle (SEA) the cheapest?

  The cheapest months to fly from Atlanta to Seattle is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Atlanta to Seattle on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Atlanta to Seattle on May 23, 2026 with Frontier Airlines, with prices starting at US$216.

• Which airports can I fly to for Seattle from Atlanta?

  You can land at any one of the following hubs in Seattle, with Hartsfield-Jackson Atlanta International Airport to Seattle-Tacoma International Airport (ATL-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE) Seattle-Tacoma International Airport (SEA).

• Is there any time difference between Atlanta and Seattle?

  The time difference between Seattle and Atlanta is 3h.

• How do I change or cancel my ticket from Atlanta to Seattle?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.